2019 Best Car Alarm Systems Buyers Guide
If you want to ensure your car’s security, we’ve tracked down the best eight car alarms on the market. Thanks to huge advancements in technology, you can choose a car alarm with a number of convenient perks—from smartphone compatibility to remote start functions. Compare our top car alarm security systems to determine which alarm will keep your car out of thieves’ hands.
Best Car Alarms of 2019
Product
Pros
Cons
Where to find it
Viper 3106V Car Alarm Read Review- Anti-carjacking panic alarm
- Shock sensors
- Multiple tones
- Professional installation recommended
- Faulty remote controls
Avital 3100LX Keyless Entry Car Alarm Read Review- Car finder button
- DIY installation
- Great price
- Drains battery
- No siren
Python 5706P Responder Read Review- Smart Start compatible
- Real-time security alerts
- Long battery life
- Higher price
- Limited range without upgrade
- Professional installation recommended
Avital 5303L Security Remote Start System Read Review- Visual remote
- Encrypted key fob
- Shock sensors
- No panic button
- Not for use with manual transmission
Pyle PWD701 Remote Door Lock Vehicle Security System Read Review- Great price
- Remote chirp
- Lots of add-ons available
- No ignition kill switch
- Glitchy parking light function
Crimestopper SP-302 Alarm Read Review- Large range
- Carjack protection
- Faulty arm and disarm function
- Poor instructions
Viper 4105V Remote Start System Read Review- Panic mode
- Smartphone compatible
- Limited range
- Upgrade required for 2-way alerts
CarLock Advanced Real-Time Car Tracker and Alert System Read Review- Virtual mechanic
- Mobile app
- GPS tracking
- Monthly subscription
- No siren
Things to Consider in a Car Alarm System
Car alarms are one of the best ways to foil a break-in or car theft. But sirens blaring in parking lots or across the street have made us almost immune to the sound. That’s why you need a car security system that delivers more than a sonic blast. Here are the top things you need to keep in mind when deciding on the best car alarm system for you.Features
Shock sensors, carjack protection, encrypted transmission, and mobile apps are just the tip of the iceberg when it comes to car alarm features. It’s easy to get intimidated by all the technical jargon, so we’ve broken down the most common car security features so you can decide which ones meet your needs.Shock Sensors
Most advanced car alarm systems will feature these motion sensors. Whenever your car is jostled or hit, the shock sensor detects the impact and sends out an alert. If the system has a siren, the alert will trigger the alarm. Systems with mobile alerts will let you know that something’s going on.Carjack Protection
This anti-theft feature might be an extra option you can add to your car alarm. Carjack protection combines lights, chirping alarms, and ignition kill switches. Some alarm systems aim to punish the carjacker with an extra-loud, high-pitched siren that may force them to abandon the vehicle.Two-Way Remotes
A two-way remote lets you control your car and receive input about your car’s condition. Most basic car alarms only include a one-way remote that lets you lock and unlock the doors and arm or disarm the alarm. With a two-way remote, you’ll receive alerts if someone attempts to break into or start your car.Encrypted Transmission
Not all car thieves use a crowbar or slim jim to get into your car. Tech-savvy thieves know how to hack the signal from your key fob and unlock your car remotely. That’s why smart car alarm companies are adding encryption to their wireless car alarms. If you like the convenience of remote entry, you might want to look for a vehicle security system that keeps hackers out of your car.Mobile Apps
It’s no surprise that along with keyless cars comes car security you can control from your smartphone. Leading vehicle security companies like Viper are using cloud technology to help put remote control and monitoring for your car in the palm of your hand. Mobile apps let you check in on your car and receive email and text alerts, and best of all, you don’t have to carry around an extra remote or key fob.Installation
Installing a car alarm system involves a lot of wires and fiddling around with your car’s electrical system. Because it can be complicated for the average person, we recommend professional installation. But this can raise the overall price of a car alarm by several hundred dollars. If you’re knowledgeable and want to attempt DIY installation, you’re not alone. Many handy car alarm owners have successfully installed their alarm system, but beware that DIY installation might impact any warranty on the equipment.Best Car Alarm Systems
Pros
- Anti-Carjacking Panic Alarm This Viper alarm system includes a panic button and ignition kill feature that ensure a thief won’t get far with your vehicle.
- Shock Sensors The shock sensors use warning chirps if they detect a minor bump or jostle and unleash the full alarm when more serious impact is detected.
- Multiple Tones The Viper 3106V siren has six different tone and chirp options as well as a parking light alarm response.
Cons
- Professional Installation Recommended Installation is complicated, and the instructions provided are minimal. Most customers recommend having this Viper alarm system installed by professionals, so keep that in mind when calculating your overall investment.
- Faulty Remote Controls Many customers had to replace or repair the remotes after minimal use.
Pros
- Car Finder Button You’ll never have to worry about finding your car again—just hit the “panic” button to flash your car’s lights and beep the horn.
- DIY Installation Most customers find the Avital 3100LX simple enough to install on their own.
- Great Price Coming in at just over $30, this is one of the best car security deals out there.
Cons
- Drains Battery Be warned that if you install this car alarm system on a car that you don’t drive regularly, it will drain the battery.
- No Siren The alarm triggers the car’s horn, but there is no separate siren to ward off thieves.
Pros
- Smart Start Compatible You can upgrade your car alarm system with the Smart Start add-on. This lets you connect the alarm to your mobile phone so you can control your vehicle security system from anywhere.
- Real-Time Security Alerts Get up-to-the-minute notifications if someone tampers with the doors or windows or if the alarm is tripped.
- Long Battery Life The Python 5706P boasts a long-lasting battery in its advanced remotes. Customers enjoy going two to three months between charges.
Cons
- Higher Price The long range and extensive features of this vehicle alarm come with a hefty price tag—approaching $200, not including installation.
- Limited Range without Upgrade Unless you upgrade, you’ll only be able to communicate with your car alarm within a one-mile radius.
- Professional Installation Recommended This Python car alarm system takes a lot of know-how to install properly, so we recommend using professional installers.
This product boasts all the functions you expect from a premium car alarm system, including a shock sensor that detects any tampering and remote key entry. During a break-in or attempted break-in, the remote will vibrate and send visual confirmations to alert you.
Pros
- Visual Remote It’s easy to check on the status of your car’s security system with the visual remote that displays warning icons if something is unlocked or if your car is tampered with.
- Encrypted Key Fob Hackers won’t be able to disarm or unlock your car because the key fob uses a digitally encoded radio frequency that makes it impossible for anyone but you to open your vehicle.
- Shock Sensors The Avital 5303L uses dual-zone shock sensors to reduce false alarms from incidental bumps that may happen in a parking lot.
Cons
- No Panic Button With this alarm system, you’re relying completely on the sensors to alert you of a problem and scare off would-be thieves.
- Not for Use with Manual Transmission The Avital 5303L is designed to be used with automatic transmissions and requires major modification to work with a stick shift.
Pros
- Great Price Available for under $40, the Pyle PWD701 fits nearly every budget.
- Remote Chirp When you activate the remote chirp function, your car alarm system turns into a car finder, which can be a lifesaver in a crowded garage.
- Lots of Add-Ons Available One of the best things about this car alarm system is how customizable it is—you can add everything from remote start to remote window control.
Cons
- No Ignition Kill Switch Out of the box, this system doesn’t include an ignition kill switch. If that’s a feature you want, you need to add it on and make sure it gets activated during installation.
- Glitchy Parking Light Function This system comes with flashing parking lights to help warn off car thieves, but the function has a mind of its own—going on and off at random.
Pros
- Large Range The system comes with two remotes. The main two-way remote has a range of 3,000 feet and the one-way companion remote works within 2,000 feet of your car.
- Carjack Protection You can choose between active or passive carjack protection. The passive mode offers the best protection—it arms the whole alarm system if a carjacker opens a door while the car is running. If they turn off the ignition the alarms will stop, but they won’t be able to restart the car.
Cons
- Faulty Arm and Disarm Function Customers have had issues with the system arming and disarming itself. Some attribute it to remotes that are easily triggered, so they warn against putting them in a purse or pocket.
- Poor Instructions The installation instructions that come with the alarm system are inadequate and the diagrams are incorrect.
This value offering from Viper delivers sophisticated car security without all the costly extras. You can trigger alarms and immobilize your vehicle at the push of a button, but this affordable system doesn’t provide on-screen alerts and works only within a quarter-mile of your car.
Pros
- Panic Mode The panic mode offers extra personal security. You can activate it to scare off potential car thieves, but it can also be used as a personal panic alarm if you run into a shady character in a parking garage or on a lonely road.
- Smartphone Compatible If you want to monitor and control your car alarm with your smartphone, it’s easy to upgrade to Viper’s Smart Start module.
Cons
- Limited Range This remote start system only gives you control within 1,500 feet of your car, which is just over a quarter of a mile.
- Upgrade Required for 2-Way Alerts You won’t receive alerts if someone tampers with your car unless you upgrade this Viper alarm system.
Avoid tricky wires and professional installation with this car tracking device that doubles as a security system. You can track your car in real time and get instant alerts of suspicious behavior, plus tons of extras that other car alarm systems don’t offer.
Pros
- Virtual Mechanic Never miss an oil change or end up with a dead battery again. This system monitors the health of your car and warns you if the battery is running low or if it’s time for a tune-up.
- Mobile App This system is designed for use with your smartphone, so there’s no upgrade required. Once installed, you have instant remote tracking through your phone, tablet, or computer.
- GPS tracking CarLock is like “GPS on steroids.” You’ll get route history tracking as well as data about sharp acceleration, hard braking, and sharp cornering. If you have a teenage driver in the house, this feature can help them hone their skills with a monthly safety score that highlights where they can improve.
Cons
- Monthly Subscription You can’t use CarLock without a monthly subscription. But plans are pretty affordable, starting around $10 a month.
- No Siren This system doesn’t come with a car alarm siren, so if you want that extra level of security, CarLock won’t fit the bill.
Selecting the best car alarm system for your vehicles is an important decision. Compare the pros and cons of each of these top aftermarket car alarms to learn about the best features, and if you want even more security, check out our picks for the best steering wheel locks and best GPS vehicle trackers.
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